body{
    background-color: #eef1f6;
    padding: 10px;
}
.jiehzuanBtn{
    width: 70px;
    height: 40px;
    background-color: #409eff;
    color: #fff;
    text-align: center;
    line-height: 40px;
    border-radius: 5px;
    position: relative;
    top: 10px;
    left: 50%;
    margin-left: -35px;
    margin-bottom: 20px;
}